General

  • Target

    a98a8132eea19ee50f1afa027fce52c089c9fe7238b06c88782d7c0efd81d913

  • Size

    2.2MB

  • Sample

    240628-yxys6atenr

  • MD5

    9f22ddd83afb4a816910c8cc5f9d2518

  • SHA1

    fb42fdd061557b8b4034707176657e6cab02daa2

  • SHA256

    a98a8132eea19ee50f1afa027fce52c089c9fe7238b06c88782d7c0efd81d913

  • SHA512

    79e02e59fd8249ecaac9c29fc950b0f43d9c737b125d42f8bab949094624919f40028b9d6543355f762dea0875406d5f1941d4085e52605e063d4602843008c2

  • SSDEEP

    49152:qpjNvr9ySAOmw4FHHO+SASagXkJr4MDkUwm:qpjNp7p4FHH8n5A

Malware Config

Extracted

Family

vidar

C2

https://t.me/g067n

https://steamcommunity.com/profiles/76561199707802586

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:129.0) Gecko/20100101 Firefox/129.0

Targets

    • Target

      a98a8132eea19ee50f1afa027fce52c089c9fe7238b06c88782d7c0efd81d913

    • Size

      2.2MB

    • MD5

      9f22ddd83afb4a816910c8cc5f9d2518

    • SHA1

      fb42fdd061557b8b4034707176657e6cab02daa2

    • SHA256

      a98a8132eea19ee50f1afa027fce52c089c9fe7238b06c88782d7c0efd81d913

    • SHA512

      79e02e59fd8249ecaac9c29fc950b0f43d9c737b125d42f8bab949094624919f40028b9d6543355f762dea0875406d5f1941d4085e52605e063d4602843008c2

    • SSDEEP

      49152:qpjNvr9ySAOmw4FHHO+SASagXkJr4MDkUwm:qpjNp7p4FHH8n5A

    • Detect Vidar Stealer

    • Stealc

      Stealc is an infostealer written in C++.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks